.folderPicker {
  display: flex;
  flex-direction: column;
  height: 400px;
  border: none;
  border-radius: 16px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease;
}

.folderPicker:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.header {
  display: flex;
  align-items: center;
  padding: 12px 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: linear-gradient(135deg, #fafbff 0%, #f8f9ff 100%);
  border-radius: 16px 16px 0 0;
}

.breadcrumbContainer {
  flex: 1;
  display: flex;
  align-items: center;
}

.content {
  flex: 1;
  display: flex;
  overflow: hidden;
  background: #fff;
}

.treeContainer {
  flex: 1;
  overflow: auto;
  padding: 0;
}

.emptyState {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #999;
  font-size: 14px;
}

.emptyIcon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #ff4d4f;
  padding: 16px;
  text-align: center;
}

.errorIcon {
  font-size: 32px;
  margin-bottom: 8px;
}

.errorMessage {
  font-size: 14px;
  margin-bottom: 12px;
}

.retryButton {
  font-size: 12px;
}

/* Responsive design */
@media (max-width: 768px) {
  .folderPicker {
    height: 300px;
  }

  .header {
    padding: 6px 8px;
  }

  .treeContainer {
    padding: 4px;
  }
}
